Portable monitor



FIG. 1 is a front, right perspective view of the portable monitor showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front, right perspective view thereof shown in use; and,

FIG. 9 is a left, rear perspective view thereof shown with the stand in use.

The broken line showing in FIG. 8 is for the purpose of illustrating environmental structure and forms no part of the claimed design. 

CLAIM The ornamental design for a portable monitor, as shown and described. 